linux-kernel - [PATCH] ALSA: usb-audio: Fix missing return assignment

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Date:   Wed, 24 Mar 2021 22:26:04 +0500
From:   Muhammad Usama Anjum <musamaanjum@...il.com>
To:     Jaroslav Kysela <perex@...ex.cz>, Takashi Iwai <tiwai@...e.com>,
        alsa-devel@...a-project.org, linux-kernel@...r.kernel.org,
        kernel-janitors@...r.kernel.org, colin.king@...onical.com,
        dan.carpenter@...cle.com
Cc:     musamaanjum@...il.com, linux-kernel@...r.kernel.org
Subject: [PATCH] ALSA: usb-audio: Fix missing return assignment

Return value of usb_driver_claim_interface should not be ignored.
Instead it should be stored in err variable and returned from
this function.

Signed-off-by: Muhammad Usama Anjum <musamaanjum@...il.com>
---
 sound/usb/quirks.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/sound/usb/quirks.c b/sound/usb/quirks.c
index 9e5e37eff10e..dd32ceaef18a 100644
--- a/sound/usb/quirks.c
+++ b/sound/usb/quirks.c
@@ -427,10 +427,10 @@ static int create_autodetect_quirks(struct snd_usb_audio *chip,
 
 		err = create_autodetect_quirk(chip, iface, driver);
 		if (err >= 0)
-			usb_driver_claim_interface(driver, iface, (void *)-1L);
+			err = usb_driver_claim_interface(driver, iface, (void *)-1L);
 	}
 
-	return 0;
+	return err;
 }
 
 /*
-- 
2.25.1